{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:42:56Z","timestamp":1787236976643,"version":"build-2736575974"},"reference-count":61,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2012,8,1]],"date-time":"2012-08-01T00:00:00Z","timestamp":1343779200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Best Practice &amp; Research Clinical Rheumatology"],"published-print":{"date-parts":[[2012,8]]},"DOI":"10.1016\/j.berh.2012.07.004","type":"journal-article","created":{"date-parts":[[2012,10,5]],"date-time":"2012-10-05T12:23:03Z","timestamp":1349439783000},"page":"439-448","source":"Crossref","is-referenced-by-count":56,"title":["Retroperitoneal fibrosis"],"prefix":"10.1016","volume":"26","author":[{"given":"Nicol\u00f2","family":"Pipitone","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Augusto","family":"Vaglio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlo","family":"Salvarani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.berh.2012.07.004_bib1","doi-asserted-by":"crossref","first-page":"803","DOI":"10.1016\/j.rdc.2007.07.013","article-title":"Retroperitoneal fibrosis: evolving concepts","volume":"33","author":"Vaglio","year":"2007","journal-title":"Rheumatic Disease Clinics of North America"},{"key":"10.1016\/j.berh.2012.07.004_bib2","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1007\/s12149-007-0077-0","article-title":"Hypermetabolic activity in patients with active retroperitoneal fibrosis on F-18 FDG PET: report of three cases","volume":"22","author":"Young","year":"2008","journal-title":"Annals of Nuclear Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib3","doi-asserted-by":"crossref","first-page":"298","DOI":"10.1002\/art.21074","article-title":"Positron emission tomography (PET): evaluation of chronic periaortitis","volume":"53","author":"Salvarani","year":"2005","journal-title":"Arthritis & Rheumatism"},{"key":"10.1016\/j.berh.2012.07.004_bib4","doi-asserted-by":"crossref","first-page":"28","DOI":"10.1097\/MD.0b013e318207231e","article-title":"Vasculitis of the gastrointestinal tract in chronic periaortitis","volume":"90","author":"Salvarani","year":"2011","journal-title":"Medicine (Baltimore)"},{"key":"10.1016\/j.berh.2012.07.004_bib5","doi-asserted-by":"crossref","first-page":"719","DOI":"10.1093\/rheumatology\/kel452","article-title":"Primary Sjogren\u2019s syndrome associated with chronic periaortitis","volume":"46","author":"Ghinoi","year":"2007","journal-title":"Rheumatology (Oxford)"},{"key":"10.1016\/j.berh.2012.07.004_bib6","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/s10165-011-0508-6","article-title":"A novel clinical entity, IgG4-related disease (IgG4RD): general concept and details","volume":"22","author":"Umehara","year":"2012","journal-title":"Modern Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib7","doi-asserted-by":"crossref","first-page":"1833","DOI":"10.1097\/PAS.0b013e3181b72882","article-title":"Retroperitoneal fibrosis: a clinicopathologic study with respect to immunoglobulin G4","volume":"33","author":"Zen","year":"2009","journal-title":"The American Journal of Surgical Pathology"},{"key":"10.1016\/j.berh.2012.07.004_bib8","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1097\/BOR.0b013e32833ee95f","article-title":"IgG4-related inflammatory abdominal aortic aneurysm","volume":"23","author":"Kasashima","year":"2011","journal-title":"Current Opinion in Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib9","doi-asserted-by":"crossref","first-page":"1422","DOI":"10.1016\/S0140-6736(04)16100-X","article-title":"Asbestos exposure as a risk factor for retroperitoneal fibrosis","volume":"363","author":"Uibu","year":"2004","journal-title":"Lancet"},{"key":"10.1016\/j.berh.2012.07.004_bib10","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1097\/MD.0b013e3181afc420","article-title":"Idiopathic retroperitoneal fibrosis: prospective evaluation of incidence and clinicoradiologic presentation","volume":"88","author":"van Bommel","year":"2009","journal-title":"Medicine (Baltimore)"},{"key":"10.1016\/j.berh.2012.07.004_bib11","doi-asserted-by":"crossref","first-page":"297","DOI":"10.4065\/mcp.2010.0663","article-title":"Idiopathic retroperitoneal fibrosis: a retrospective review of clinical presentation, treatment, and outcomes","volume":"86","author":"Kermani","year":"2011","journal-title":"Mayo Clin Proceedings"},{"key":"10.1016\/j.berh.2012.07.004_bib12","doi-asserted-by":"crossref","first-page":"601","DOI":"10.1007\/s10067-010-1580-6","article-title":"Idiopathic retroperitoneal fibrosis (RPF): clinical features of 61 cases and literature review","volume":"30","author":"Li","year":"2011","journal-title":"Clinical Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib13","doi-asserted-by":"crossref","first-page":"526","DOI":"10.1016\/j.juro.2010.09.105","article-title":"Associated findings and complications of retroperitoneal fibrosis in 204 patients: results of a urological registry","volume":"185","author":"Brandt","year":"2011","journal-title":"Journal of Urology"},{"key":"10.1016\/j.berh.2012.07.004_bib14","doi-asserted-by":"crossref","first-page":"339","DOI":"10.1016\/j.berh.2008.12.002","article-title":"Chronic periaortitis: a fibro-inflammatory disorder","volume":"23","author":"Palmisano","year":"2009","journal-title":"Best Practice & Research Clinical Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib15","doi-asserted-by":"crossref","first-page":"742","DOI":"10.1038\/sj.ki.5002427","article-title":"Idiopathic retroperitoneal fibrosis: clinicopathologic features and differential diagnosis","volume":"72","author":"Corradi","year":"2007","journal-title":"Kidney International"},{"key":"10.1016\/j.berh.2012.07.004_bib16","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1111\/j.1365-2559.1990.tb01541.x","article-title":"The spectrum of chronic periaortitis","volume":"16","author":"Parums","year":"1990","journal-title":"Histopathology"},{"key":"10.1016\/j.berh.2012.07.004_bib17","first-page":"383","article-title":"Serum antibodies to oxidized low-density lipoprotein and ceroid in chronic periaortitis","volume":"114","author":"Parums","year":"1990","journal-title":"Archives of Pathology & Laboratory Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib18","doi-asserted-by":"crossref","first-page":"117","DOI":"10.1016\/0021-9150(86)90070-5","article-title":"The localisation of immunoglobulin in chronic periaortitis","volume":"61","author":"Parums","year":"1986","journal-title":"Atherosclerosis"},{"key":"10.1016\/j.berh.2012.07.004_bib19","doi-asserted-by":"crossref","first-page":"268","DOI":"10.1046\/j.1365-2796.2002.00948.x","article-title":"ANCA-positive periaortic vasculitis: does it fall within the spectrum of vasculitis?","volume":"251","author":"Vaglio","year":"2002","journal-title":"Journal of Internal Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib20","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1093\/rheumatology\/kem328","article-title":"Peripheral inflammatory arthritis in patients with chronic periaortitis: report of five cases and review of the literature","volume":"47","author":"Vaglio","year":"2008","journal-title":"Rheumatology (Oxford)"},{"key":"10.1016\/j.berh.2012.07.004_bib21","doi-asserted-by":"crossref","first-page":"68","DOI":"10.1080\/03009740802406187","article-title":"Retroperitoneal fibrosis associated with psoriasis: a case series","volume":"38","author":"Famularo","year":"2009","journal-title":"Scandinavian Journal of Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib22","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1097\/BOR.0b013e328341137d","article-title":"Chronic periaortitis: a large-vessel vasculitis?","volume":"23","author":"Vaglio","year":"2011","journal-title":"Current Opinion in Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib23","doi-asserted-by":"crossref","first-page":"681","DOI":"10.1136\/jcp.23.8.681","article-title":"The pathology of idiopathic retroperitoneal fibrosis","volume":"23","author":"Mitchinson","year":"1970","journal-title":"Journal of Clinical Pathology"},{"key":"10.1016\/j.berh.2012.07.004_bib24","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1002\/art.21698","article-title":"Chronic periaortitis and HLA-DRB1\u221703: another clue to an autoimmune origin","volume":"55","author":"Martorana","year":"2006","journal-title":"Arthritis & Rheumatism"},{"key":"10.1016\/j.berh.2012.07.004_bib25","doi-asserted-by":"crossref","first-page":"1025","DOI":"10.1093\/rheumatology\/keq416","article-title":"CC chemokine receptor 5 polymorphism in chronic periaortitis","volume":"50","author":"Boiardi","year":"2011","journal-title":"Rheumatology (Oxford)"},{"key":"10.1016\/j.berh.2012.07.004_bib26","doi-asserted-by":"crossref","first-page":"e72","DOI":"10.1086\/433189","article-title":"Tuberculosis as a trigger of retroperitoneal fibrosis","volume":"41","author":"Greco","year":"2005","journal-title":"Clinical Infectious Diseases"},{"key":"10.1016\/j.berh.2012.07.004_bib27","doi-asserted-by":"crossref","first-page":"721","DOI":"10.1136\/jcp.47.8.721","article-title":"Cytokine gene expression in aortic adventitial inflammation associated with advanced atherosclerosis (chronic periaortitis)","volume":"47","author":"Ramshaw","year":"1994","journal-title":"Journal of Clinical Pathology"},{"key":"10.1016\/j.berh.2012.07.004_bib28","doi-asserted-by":"crossref","DOI":"10.3899\/jrheum.111143","article-title":"CCL18 \u2013 potential biomarker of fibroinflammatory activity in chronic periaortitis","author":"Kollert","year":"2012","journal-title":"Journal of Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib29","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1186\/1741-7015-4-23","article-title":"Hyper-IgG4 disease: report and characterisation of a new disease","volume":"4","author":"Neild","year":"2006","journal-title":"BMC Medcine"},{"key":"10.1016\/j.berh.2012.07.004_bib30","doi-asserted-by":"crossref","first-page":"553","DOI":"10.1097\/PAS.0b013e31815a04db","article-title":"IgG4-positive plasma cells in inflammatory abdominal aortic aneurysm: the possibility of an aortic manifestation of IgG4-related sclerosing disease","volume":"32","author":"Sakata","year":"2008","journal-title":"American Journal of Surgical Pathology"},{"key":"10.1016\/j.berh.2012.07.004_bib31","doi-asserted-by":"crossref","first-page":"1538","DOI":"10.1002\/hep.21697","article-title":"Th2 and regulatory immune reactions are increased in immunoglobin G4-related sclerosing pancreatitis and cholangitis","volume":"45","author":"Zen","year":"2007","journal-title":"Hepatology"},{"key":"10.1016\/j.berh.2012.07.004_bib32","doi-asserted-by":"crossref","first-page":"1262","DOI":"10.1136\/annrheumdis-2011-201166","article-title":"Rituximab therapy for chronic periaortitis","volume":"71","author":"Maritati","year":"2012","journal-title":"Annals of the Rheumatic Diseases"},{"key":"10.1016\/j.berh.2012.07.004_bib33","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1016\/S0140-6736(06)68035-5","article-title":"Retroperitoneal fibrosis","volume":"367","author":"Vaglio","year":"2006","journal-title":"Lancet"},{"key":"10.1016\/j.berh.2012.07.004_bib34","doi-asserted-by":"crossref","DOI":"10.1093\/ndt\/gfr779","article-title":"Value of acute-phase reactants in monitoring disease activity and treatment response in idiopathic retroperitoneal fibrosis","author":"Pelkmans","year":"2012","journal-title":"Nephrology Dialysis Transplantation"},{"key":"10.1016\/j.berh.2012.07.004_bib35","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1002\/art.20914","article-title":"(18)F-fluorodeoxyglucose positron emission tomography in the diagnosis and follow-up of idiopathic retroperitoneal fibrosis","volume":"53","author":"Vaglio","year":"2005","journal-title":"Arthritis & Rheumatism"},{"key":"10.1016\/j.berh.2012.07.004_bib36","doi-asserted-by":"crossref","first-page":"1193","DOI":"10.1002\/art.24416","article-title":"Is (18)F-fluorodeoxyglucose positron emission tomography scanning a reliable way to assess disease activity in Takayasu arteritis?","volume":"60","author":"Arnaud","year":"2009","journal-title":"Arthritis & Rheumatism"},{"key":"10.1016\/j.berh.2012.07.004_bib37","doi-asserted-by":"crossref","first-page":"1107","DOI":"10.1136\/ard.61.12.1107","article-title":"Magnetic resonance imaging of skeletal muscle involvement in limb restricted vasculitis","volume":"61","author":"Gallien","year":"2002","journal-title":"Annals of the Rheumatic Diseases"},{"key":"10.1016\/j.berh.2012.07.004_bib38","doi-asserted-by":"crossref","first-page":"454","DOI":"10.1016\/S0002-9343(03)00056-1","article-title":"Evidence of autoimmunity in chronic periaortitis: a prospective study","volume":"114","author":"Vaglio","year":"2003","journal-title":"American Journal of Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib39","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1183\/09031936.00025211","article-title":"Pulmonary manifestations of immunoglobulin G4-related sclerosing disease","volume":"39","author":"Ryu","year":"2012","journal-title":"European Respiratory Journal"},{"key":"10.1016\/j.berh.2012.07.004_bib40","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1007\/s10165-011-0532-6","article-title":"Value of serum IgG4 in the diagnosis of IgG4-related disease and in differentiation from rheumatic diseases and other diseases","volume":"22","author":"Yamamoto","year":"2012","journal-title":"Modern Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib41","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1136\/ard.2011.155382","article-title":"IgG4 immune response in Churg\u2013Strauss syndrome","volume":"71","author":"Vaglio","year":"2012","journal-title":"Annals of the Rheumatic Diseases"},{"key":"10.1016\/j.berh.2012.07.004_bib42","doi-asserted-by":"crossref","first-page":"1259","DOI":"10.1016\/S0033-8389(22)00700-X","article-title":"Retroperitoneal fibrosis","volume":"34","author":"Kottra","year":"1996","journal-title":"Radiology Clinics of North America"},{"key":"10.1016\/j.berh.2012.07.004_bib43","doi-asserted-by":"crossref","first-page":"403","DOI":"10.1093\/rheumatology\/kem379","article-title":"Role of imaging studies in the diagnosis and follow-up of large-vessel vasculitis: an update","volume":"47","author":"Pipitone","year":"2008","journal-title":"Rheumatology (Oxford)"},{"key":"10.1016\/j.berh.2012.07.004_bib44","doi-asserted-by":"crossref","first-page":"224","DOI":"10.1111\/j.1365-2796.2007.01805.x","article-title":"Clinical value of gallium-67 SPECT scintigraphy in the diagnostic and therapeutic evaluation of retroperitoneal fibrosis: a prospective study","volume":"262","author":"van Bommel","year":"2007","journal-title":"Journal of Internal Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib45","doi-asserted-by":"crossref","first-page":"730","DOI":"10.1007\/s00259-003-1144-y","article-title":"Early diagnosis and follow-up of aortitis with [(18)F]FDG PET and MRI","volume":"30","author":"Meller","year":"2003","journal-title":"European Journal of Nuclear Medicine and Molecular Imaging"},{"key":"10.1016\/j.berh.2012.07.004_bib46","doi-asserted-by":"crossref","first-page":"216","DOI":"10.1016\/j.ejim.2010.02.008","article-title":"(18)F-fluorodeoxyglucose position emission tomography (FDG-PET) for monitoring disease activity and treatment response in idiopathic retroperitoneal fibrosis","volume":"21","author":"Jansen","year":"2010","journal-title":"European Journal of Internal Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib47","first-page":"231","article-title":"Post-treatment residual tissue in idiopathic retroperitoneal fibrosis: active residual disease or silent \u201cscar\u201d? A study using 18F-fluorodeoxyglucose positron emission tomography","volume":"23","author":"Vaglio","year":"2005","journal-title":"Clinical and Experimental Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib48","first-page":"S1","article-title":"Do we need 18F-FDG-positron emission tomography as a functional imaging technique for diagnosing large vessel vasculitis?","volume":"21","author":"Wenger","year":"2003","journal-title":"Clinical and Experimental Rheumatology"},{"key":"10.1016\/j.berh.2012.07.004_bib49","doi-asserted-by":"crossref","first-page":"c213","DOI":"10.1159\/000119715","article-title":"Successful use of steroids and ureteric stents in 24 patients with idiopathic retroperitoneal fibrosis: a retrospective study","volume":"108","author":"Fry","year":"2008","journal-title":"Nephron Clinical Practice"},{"key":"10.1016\/j.berh.2012.07.004_bib50","doi-asserted-by":"crossref","first-page":"828","DOI":"10.1136\/ard.2004.029793","article-title":"Immunosuppressive treatment of chronic periaortitis: a retrospective study of 20 patients with chronic periaortitis and a review of the literature","volume":"64","author":"Warnatz","year":"2005","journal-title":"Annals of Rheumatic Diseases"},{"key":"10.1016\/j.berh.2012.07.004_bib51","doi-asserted-by":"crossref","first-page":"550","DOI":"10.1016\/S0022-5347(05)64677-0","article-title":"Steroid therapy for idiopathic retroperitoneal fibrosis: dose and duration","volume":"168","author":"Kardar","year":"2002","journal-title":"Journal of Urology"},{"key":"10.1016\/j.berh.2012.07.004_bib52","doi-asserted-by":"crossref","first-page":"615","DOI":"10.1053\/j.ajkd.2007.02.268","article-title":"Long-term renal and patient outcome in idiopathic retroperitoneal fibrosis treated with prednisone","volume":"49","author":"van Bommel","year":"2007","journal-title":"American Journal of Kidney Diseases"},{"key":"10.1016\/j.berh.2012.07.004_bib53","doi-asserted-by":"crossref","first-page":"194","DOI":"10.1016\/j.amjmed.2003.08.033","article-title":"Immunosuppressive therapy for idiopathic retroperitoneal fibrosis: a retrospective analysis of 26 cases","volume":"116","author":"Marcolongo","year":"2004","journal-title":"American Journal of Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib54","doi-asserted-by":"crossref","first-page":"703","DOI":"10.1002\/art.11388","article-title":"Glucocorticoid therapy in giant cell arteritis: duration and adverse outcomes","volume":"49","author":"Proven","year":"2003","journal-title":"Arthritis & Rheumatism"},{"key":"10.1016\/j.berh.2012.07.004_bib55","doi-asserted-by":"crossref","first-page":"101","DOI":"10.7326\/0003-4819-144-2-200601170-00007","article-title":"Brief communication: tamoxifen therapy for nonmalignant retroperitoneal fibrosis","volume":"144","author":"van Bommel","year":"2006","journal-title":"Annals of Internal Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib56","doi-asserted-by":"crossref","first-page":"338","DOI":"10.1016\/S0140-6736(11)60934-3","article-title":"Prednisone versus tamoxifen in patients with idiopathic retroperitoneal fibrosis: an open-label randomised controlled trial","volume":"378","author":"Vaglio","year":"2011","journal-title":"Lancet"},{"key":"10.1016\/j.berh.2012.07.004_bib57","doi-asserted-by":"crossref","first-page":"1535","DOI":"10.1093\/rheumatology\/ken291","article-title":"Successful mycophenolate mofetil therapy in nine patients with idiopathic retroperitoneal fibrosis","volume":"47","author":"Adler","year":"2008","journal-title":"Rheumatology (Oxford)"},{"key":"10.1016\/j.berh.2012.07.004_bib58","doi-asserted-by":"crossref","first-page":"31","DOI":"10.7326\/0003-4819-154-1-201101040-00005","article-title":"Combined prednisone and mycophenolate mofetil treatment for retroperitoneal fibrosis: a case series","volume":"154","author":"Scheel","year":"2011","journal-title":"Annals of Internal Medicine"},{"key":"10.1016\/j.berh.2012.07.004_bib59","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1016\/j.juro.2007.03.057","article-title":"Combined prednisone and mycophenolate mofetil treatment for retroperitoneal fibrosis","volume":"178","author":"Scheel","year":"2007","journal-title":"Journal of Urology"},{"key":"10.1016\/j.berh.2012.07.004_bib60","doi-asserted-by":"crossref","first-page":"311","DOI":"10.1136\/annrheumdis-2011-200148","article-title":"Cyclophosphamide is a highly effective and safe induction therapy in chronic periaortitis: a long-term follow-up of 35 patients with chronic periaortitis","volume":"71","author":"Binder","year":"2012","journal-title":"Annals of the Rheumatic Diseases"},{"key":"10.1016\/j.berh.2012.07.004_bib61","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1007\/s00108-009-2407-x","article-title":"Chronische Periaortitis","volume":"51","author":"Pipitone","year":"2010","journal-title":"Internist (Berl)"}],"container-title":["Best Practice &amp; Research Clinical Rheumatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1521694212000678?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1521694212000678?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2023,6,25]],"date-time":"2023-06-25T22:44:22Z","timestamp":1687733062000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1521694212000678"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,8]]},"references-count":61,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2012,8]]}},"alternative-id":["S1521694212000678"],"URL":"https:\/\/doi.org\/10.1016\/j.berh.2012.07.004","relation":{},"ISSN":["1521-6942"],"issn-type":[{"value":"1521-6942","type":"print"}],"subject":[],"published":{"date-parts":[[2012,8]]}}}